Daily Sunspot Evaluation
Observation Sheet Monday, 3 February 1958
There is no typed record for this day. The values below were read by computer from the table on the sheet; when in doubt, see the drawing. Details →
- Number of groups (g)
- 14
- Number of spots (f)
- 85
- Relative number (R)
- 225
- Observer
- FY
- Reading
- all checks consistent
- File
- 19580203.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 13 | 10 | 16E | ||||
| 2 | J – 2 | 26 | 33E | ||||
| 3 | J – 4 | -12 | 48E | ||||
| 4 | H – 6 | -14 | 67E | ||||
| 5 | D – 27 | -14 | 38E | ||||
| 6 | ? – 7 | -13 | 83E | ||||
| 7 | A – 3 | -18 | 9E | ||||
| 8 | A – 1 | -31 | 73W | ||||
| 9 | A – 1 | -5 | 75W | ||||
| 10 | C – 15 | -6 | 31W | ||||
| 11 | A – 1 | 23 | 78W | ||||
| 12 | J – 2 | 23 | 48W | ||||
| 13 | H – 2 | 21 | 32W | ||||
| 14 | A – 1 | 20 | 23W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.